How to clean up unused qcow2 clusters

2021-07-23 Thread Jakob Bohm
Hi, As is well known, qcow2 files contain a large number of reference counted clusters that correspond roughly to file system blocks. As snapshots are deleted, many clusters will become logically freed (they are no longer referenced by any image or snapshot). My main question is how to remove,

Re: Blank screen for hello world qemu-4.2.0

2021-07-23 Thread Peter Maydell
On Fri, 23 Jul 2021 at 13:05, abhijeet inamdar wrote: > > Means the memory mapping is not done correctly. > > I have added '-d nochain' and '-singlestep' to the command line it gives me > never ending > > Trace 0: 0x7ff207a5eac0 [/0572/0x312000c1] HardFault_Handler > R00=218c R01

Re: Blank screen for hello world qemu-4.2.0

2021-07-23 Thread abhijeet inamdar
Means the memory mapping is not done correctly. I have added '-d nochain' and '-singlestep' to the command line it gives me never ending Trace 0: 0x7ff207a5eac0 [/0572/0x312000c1] HardFault_Handler R00=218c R01= R02=2264 R03=2264 R04=23f4 R05=23f4 R06=

Re: Blank screen for hello world qemu-4.2.0

2021-07-23 Thread Peter Maydell
On Fri, 23 Jul 2021 at 11:41, abhijeet inamdar wrote: > > Hi, > > What information does this give me and how do I need to sort it out? > > after running qemu-system-arm along with -d > in_asm,int,exec,cpu,guest_errors,unimp in the end i get this: Adding '-d nochain' and '-singlestep' will make t

Re: Blank screen for hello world qemu-4.2.0

2021-07-23 Thread abhijeet inamdar
Hi, What information does this give me and how do I need to sort it out? after running qemu-system-arm along with -d in_asm,int,exec,cpu,guest_errors,unimp in the end i get this: IN: Reset_Handler 0x050c: f7ff fff0 bl #0x4f0 Trace 0: 0x7f27e05ce100 [/050c/0x11c1] Rese

Re: Blank screen for hello world qemu-4.2.0

2021-07-23 Thread Peter Maydell
On Thu, 22 Jul 2021 at 22:27, abhijeet inamdar wrote: > > Hi, > > I downloaded the qemu-6.0.0. When I did ./configure inside qemu-6.0.0 > directory it say > ERROR: Cannot find ninja > > wherein I did install pip3 install Ninja. > > What should I do? You should install ninja, which is not a Pytho